Scientists predict a sheet of ice 110 miles long — the size of Delaware — will break off Antarctica in the coming days or weeks. In its July issue, National Geographic covers the effects that warming oceans will have on global sea level rise. Robert Kunzig, the magazine’s senior environment editor, joins Hari Sreenivasan from Birmingham, Ala. Continue reading →

Antarctic penguin populations have dropped more than 25 percent on average over the past two decades, according to a new report released Tuesday from the nonprofit environmental group Oceanites. Continue reading →

Antarctica’s Larsen Ice Shelf is disappearing section by section. A fast-growing rift, one of the largest ever seen, is now teetering on the edge of breaking away from the glacier. Science correspondent Miles O’Brien explores how scientists have tracked the steady loss of ice. Continue reading →

In our NewsHour Shares moment of the day, British researchers have monitored changes in the world’s atmosphere from a remote lab in Antarctica for more than 60 years. Now, for the first time the state-of-the-art facility will close — at least temporarily — after a nearly 30-mile long crack opened up on the ice shelf. Continue reading →

In our news wrap Friday, president-elect Donald Trump announced that Mike Pence would be the new chair of his transition team, replacing New Jersey Governor Chris Christie. Also, anti-Trump protests continued across the country. In Portland, Oregon, thousands of demonstrators squared off with police, throwing bottles and rocks, while officers responded with tear gas and rubber bullets. Continue reading →